OpenTechnical

OT-2026-000084958

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000084958) never changes.

Identity and time

Publication numberOT-2026-000084958 · never reused
Internal UUID01a0ae99-43b7-785e-bfed-5187d9562561 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084958
StatusPUBLIC

Content hashes

Canonical text402dae87f483afdfcbce3e9fabee130539b7e1f037b5e1a4cb4e0b050a4cd5d3
Markdownf6d405869fb944bc5d1b2ff540ea1201bfa915cf91d5a84f2fe2471466677101
PDF
Publication page24b3b39ca03a0a14e897b608a4b0fb47577e74cc521fff680e6a2d2de9c50ec6
Manifest211b8e9145d20025cc73734530aa6d6ce94c4a5d548d789fec981eac9c7c0f6c

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureIpiuUoOtQouORTD8S1VOCLufmW0SWa7ZjTnZgMXRmx8CD4Tmsth44JcRLRBoHEKxdGYYfj8OLdf2HPKkruBkBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:54:57.163348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084958
observed 24b3b39ca03a0a14e897b608a4b0fb47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:57.147345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084958/manifest.json
observed 211b8e9145d20025cc73734530aa6d6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:57.129411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084958/publication.md
observed f6d405869fb944bc5d1b2ff540ea1201...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:57.111167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084958/publication.txt
observed 402dae87f483afdfcbce3e9fabee1305...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.